/*
 * Copyright 2015, Rene Gollent, rene@gollent.com.
 * Distributed under the terms of the MIT License.
 */
#ifndef TABLE_CELL_VALUE_EDITOR_H
#define TABLE_CELL_VALUE_EDITOR_H

#include <Referenceable.h>

#include <util/DoublyLinkedList.h>


class BView;
class Value;


class TableCellValueEditor : public BReferenceable {
public:
        class Listener;
                                                                TableCellValueEditor();
        virtual                                         ~TableCellValueEditor();

                        void                            AddListener(Listener* listener);
                        void                            RemoveListener(Listener* listener);

        inline  Value*                          InitialValue() const { return fInitialValue; }
                        void                            SetInitialValue(Value* value);

        virtual BView*                          GetView() = 0;

protected:
                        void                            NotifyEditBeginning();
                        void                            NotifyEditCancelled();
                        void                            NotifyEditCompleted(Value* newValue);

private:
        typedef DoublyLinkedList<Listener> ListenerList;

private:
                        ListenerList            fListeners;
                        Value*                          fInitialValue;
};


class TableCellValueEditor::Listener : public
        DoublyLinkedListLinkImpl<TableCellValueEditor::Listener> {
public:
        virtual                                         ~Listener();

        virtual void                            TableCellEditBeginning();
        virtual void                            TableCellEditCancelled();
        virtual void                            TableCellEditEnded(Value* newValue);
};

#endif  // TABLE_CELL_VALUE_EDITOR_H